Design, dimensions, and proportions of chimneys

Design, dimensions, and proportions of chimneys

One of the main problems generated by a chimney is that the smoke remains inside the room where it is located. Therefore, it is vital to know the keys to building it, although there are masons who do not consider that design, size, and proportion have a lot to do with how a wood stove or chimney is installed to make it efficient and functional. Let’s see these keys, which over time have been rectified to work even better.

Design must be respected

There are a series of elements that make up the chimney, which cannot be altered. For example, the throat, also known as a flue, is responsible for allowing the smoke to rise without the draft bringing it back inside. In the design of modern chimneys, there is always a projected flue, both in prefabricated models and in construction plans.


The dimension aspect is much more than choosing a larger or smaller chimney according to our taste. It is necessary to adapt to the size of the rooms that need to be heated, since a fireplace that is too large in a relatively small space, besides being inefficient, can become a problem.

designing a fireplace

In function of the size of the chimney mouth, the flue duct should also vary. When the chimney has a too small duct, the draft does not work properly and the smoke will start to stay inside the chimney space, accumulating particles and polluting the air in a dangerous way. In the opposite case, if the draft is too large, the entry of air will cause the flame of the chimney to rise too much, consuming a lot of fuel unnecessarily and causing low efficiency, since the heat will escape through the outlet instead of creating a pleasant environment in the room.

Benefits and drawbacks of gas fireplaces

designing a fireplace


A medium-sized fireplace also requires proportions that go hand in hand. Measuring the space to be heated, choosing a round or square outlet, and even the type of lining to be used to insulate the interior of the fireplace greatly influence the rest of the elements.

For example, if the fireplace is intended to be placed in a spacious room and it is intended to heat the entire space, the fireplace opening will have to be proportionate not only to the size in square meters but also to the height of the room in order to create an optimal environment.

designing a fireplace

Look for efficiency

When planning to install a fireplace, you must consider the design, proportions, and dimensions. Also, consider the efficiency by selecting the best location for it and a system that allows you to control the fire and make the most of the fuel.

If a mason is going to build your new fireplace, make sure they have experience not only in constructing them but also in calculating everything necessary to make it the best possible.